Science

Saturday, 8 November 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Brain
There are no nerve receptors in the brain that register pain, so it does not feel it.
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Titan
There are three seas on its surface.
The largest–Kraken Mare–has an area of 400,000 square kilometers, Ligeia Mare has an area of 126,000 ...
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Amber
The largest deposit of amber comes from the Baltic Sea region.
The Baltic amber is the highest quality.
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NASA
The first NASA Space Shuttle, Columbia, at the end of its final flight on February 1st, 2003, disintegrated upon reentry, which resulted in the death of all seven members of the crew.
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Cosmos
The largest mountain in the Solar System is Olympus Mons.
This extinct volcano rises above the Martian surface to a height of about level. The diameter of the ...
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Ganymede
The density of the moon is relatively low and amounts to 1.9 g/cm³.
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Cosmos
A memento of annihilation–the Chicxulub crater.
It is located on the Yucatan peninsula under the waters of the Gulf of Mexico. The crater was formed ...
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Snow
Snow is composed of ice crystals.
Each crystal is transparent, like ice. Light is reflected and scattered at the interface between the ...
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Earth
The Earth's core is a ball with a diameter of 6940 km - so it is larger than Mars.
It is made of an alloy of nickel and iron with small admixtures of other elements. It reaches temperatures from 5500 to 6500 degrees Celsius and the pressure there is 13.5 million atmospheres.
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Cosmos
The next stage was the Dark Ages and the formation of large cosmic structures.
This period lasted from 370 thousand to 1 billion years after the Big Bang. During this time, matter ...
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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